* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	-webkit-tap-highlight-color: transparent;
}

html,
body {
	font-family: Helvetica, Arial, sans-serif;
	/* 当手指从触摸屏上移开，会保持一段时间的滚动 */
	-webkit-overflow-scrolling: touch;		
}

img {
	border: 0;
	max-width: 100%;
}

ul,
ol,
li {
	list-style: none
}

a {
	text-decoration: none
}

input,
button {
	-webkit-appearance: none;
	/* 清除ios的圆角 */
	border-radius: 0;
}

button {
	border: none;
}

input {
	outline: none;
}